Results 71 to 80 of about 132,532 (337)

Targeting Microglial CD49a Inhibits Neuroinflammation and Demonstrates Therapeutic Potential for Parkinson's Disease

Advanced Science, EarlyView.
This study shows that integrin receptor CD49a (Itga1 gene) is significantly upregulated in hyperactivated microglia and microglia‐specific knockdown of Itga1 rescues neuroinflammation and neurodegeneration in a chronic Parkinson's disease (PD) model by targeting PGAM5‐mediated mitochondrial dysfunction and NLRP3 activation. Targeted inhibition of CD49a
Huanpeng Lu, Yunmin Zhu, Xi Wang, Zelin Wu, Zijian Xu, Rongqing Chen, Yanwu Guo   +6 more
wiley   +1 more source

Alternative Pathway for Methyl Supply through the Coupling of SHMT1 and PEMT to Maintain Astrocytic Homeostasis in Parkinson's Disease

Advanced Science, EarlyView.
In Parkinson's disease, SHMT1 downregulation disrupts its interaction with PEMT in astrocytes, reducing SAM levels. This leads to H3K4me1 hypomethylation and decreased Slc1a2/Glul expression, ultimately exacerbating neuroexcitotoxicity and dopaminergic neuron loss.
Yue‐Han Chen, Rong‐Xin Zhu, Nuo‐Xi Zhang, Ting‐Ting Sun, Xi‐Wei Zhang, Yu‐Jie Zhao, Ben‐Yu He, Hang Yao, Ren‐Hong Du, Lei Cao, Wen‐Bin Zhang, Wei‐Guo Liu, Yun Cai, Cong Wang, Gang Hu, Yao Wei, Yang Liu, Ming Lu   +17 more
wiley   +1 more source

New MRI diagnostic methods in Parkinson's disease: evaluating nigral degeneration

Анналы клинической и экспериментальной неврологии, 2019
Research Center of Neurology, Moscow, Russia Parkinson's disease (PD) is a progressive neurodegenerative disorder with a characteristic pathological hallmark of loss of the dopaminergic neurons in the compact part of the substantia nigra in the ...
Sergey N. Illarioshkin, Rodion N. Konovalov, Ekaterina Yu. Fedotova, Anna N. Moskalenko   +3 more
doaj   +1 more source

Deranged calcium signaling and neurodegeneration in spinocerebellar ataxia type 3 [PDF]

, 2008
Spinocerebellar ataxia type 3 (SCA3), also known as Machado-Joseph disease (MJD), is an autosomal-dominant neurodegenerative disorder caused by a polyglutamine expansion in ataxin-3 (SCA3, MJD1) protein.
Bezprozvanny, I, Chen, X, Hammer, R, Nelson, O, Nukina, N, Pook, M, Tang, TS, Tu, H   +7 more
core   +1 more source

Wearable Metamaterials with Embodied Intelligence for Programmable Control of Human Limbs Tremor

Advanced Intelligent Systems, EarlyView.
Resulting from alternating muscle contractions, tremors can severely limit human ability to perform everyday tasks like walking or talking, due to their disruptive nature. Medication and surgery may not always effectively address tremor control. A wearable device embodying programmable smart metamaterials with adaptable intelligence to meet the demand ...
Braion Barbosa de Moura, Marcela R. Machado, Tanmoy Mukhopadhyay   +2 more
wiley   +1 more source

Diffusion Kurtosis Imaging for Detection of Early Brain Changes in Parkinson's Disease

Frontiers in Neurology, 2019
We aimed to evaluate microscale changes in the bilateral red nucleus and substantia nigra of patients with Parkinson's disease (PD) using diffusion kurtosis imaging (DKI).
Jitian Guan, Jitian Guan, Jitian Guan, Xilun Ma, Yiqun Geng, Yiqun Geng, Yiqun Geng, Dan Qi, Dan Qi, Yuanyu Shen, Zhiwei Shen, Yanzi Chen, Erxi Wu, Erxi Wu, Erxi Wu, Erxi Wu, Erxi Wu, Renhua Wu   +17 more
doaj   +1 more source

Substantia nigra ultrastructural pathology in schizophrenia [PDF]

Schizophrenia Research, 2018
Schizophrenia is a severe mental illness affecting approximately 1% of the population worldwide. Despite its prevalence, the cause remains unknown, and treatment is not effective in all patients. Dopamine is thought to play a role in schizophrenia pathology, yet the substantia nigra (SN), the origin of dopaminergic pathways, has not been studied ...
Courtney K. Walker, Joy K. Roche, Vidushi Sinha, Rosalinda C. Roberts   +3 more
openaire   +2 more sources

A Local Circuit Model of Learned Striatal and Dopamine Cell Responses under Probabilistic Schedules of Reward [PDF]

, 2007
Before choosing, it helps to know both the expected value signaled by a predictive cue and the associated uncertainty that the reward will be forthcoming. Recently, Fiorillo et al.
Bullock, Daniel, Tan, Can Ozan
core   +1 more source

Cellular mechanisms underlying burst firing in substantia nigra dopamine neurons [PDF]

, 2009
Burst firing of substantia nigra dopamine (SN DA) neurons is believed to represent an important teaching signal that instructs synaptic plasticity and associative learning.
Atherton, J.F., Bevan, M.D., Blythe, S.N., Wokosin, D.   +3 more
core   +1 more source

The complexity of dementia development and its comorbidities: The collaborative cross‐mouse population for multivarious tasks approach

Animal Models and Experimental Medicine, EarlyView.
The increasing prevalence of dementia and related neurodegenerative diseases—including Alzheimer's disease, Parkinson's disease, multiple sclerosis, and amyotrophic lateral sclerosis—poses a growing public health challenge. These conditions have traditionally been studied as isolated central nervous system disorders, but emerging evidence points to ...
Osayd Zohud, Iqbal M. Lone, Kareem Midlej, Fuad A. Iraqi   +3 more
wiley   +1 more source